Advanced Search
Search Results
949 total results found
One program, many futures
One of my favorite parts of the program, was showing me how many different jobs have an IT department or use some aspect of IT. You can do pretty much anything, it's very motivating. The feeling of growth, is an amazing thing, having felt stagnant for so long,...
Module 2 Glossary
Module 2 Glossary New terms and their definitions: Course 1 Week 2 Address bus: Connects the CPU to the MCC and sends over the location of the data, but not the data itself ATA: The most common interface that hard drives use to connect to our system ATX (A...
Module Introduction
Hi, my name is Victor Escobedo and I'm a corporate operations engineer. I'm excited to spend the next few lessons with you before my colleague and friend Jeon takes the reins and wraps up the rest of the lessons on the internet. Before we dive in though,...
Module introduction
Welcome back. You've learned about the basics of computing with binary and the hardware layer of the computer architecture. Now, it's time to move on to the next layer, the operating system. By the end of this lesson, you'll know what an operating system is, a...
Components of an Operating System
A lot of us hear the term operating system and think of the interfaces of our desktops and phones, like the menus, buttons and backgrounds. Technically these are part of the operating system but it's a little more complex than that. An operating system...
Supplemental Reading for Chrome OS
Another operating system that has started to gain popularity is Chrome OS, which you can read about in more detail here. bro also check out Vanilla os one of the most user friendly linux distros, it started as an ubuntu flavor but is becoming its own thing u...
File Systems
Imagine if you had to store a single file in a cabinet. That sounds so bad. What if instead of one file you had to store 100,000? Can you see a problem here? Well, on our computers we can easily store hundreds of thousands of files, if not more, problem-solved...
Supplemental Reading for ReFS File System
Microsoft is currently developing another filesystem called ReFS, it isn’t quite ready for consumer use, but if you’re interested in learning more you can read more about here. Heads up: A big part of being successful in an IT role is the ability to be a se...
Process Management
One of the most important tasks that our kernel performs is process management. A process is a program that's executing, like our Internet browser or text editor. A program is an application that we can run, like Chrome. Take note of the difference. We can hav...
Memory Management and Virtual Memory
Remember that when a process runs, it needs CPU time, but it also needs memory. When processes are run, they have to take up space in memory, so that the computer can read and load them quickly. However, compared to our hard disk drives, memory comes in smalle...
I/O Management
So far we've learned how hard our kernel works by handling files, managing file storage, juggling all the different processes running on our computer, and allocating memory. Another important task that our kernel handles is managing input and output. We refer ...
Interacting with the OS: User Space
We've covered the kernel's major responsibilities. Now, let's discuss the final major aspect of an operating system, how humans interact with it. This is what we call the userspace. When we interact with an operating system, we want to do certain functions lik...
Logs
Imagine this scenario. You're playing your favorite video game and you finally get to the big boss. You spent countless hours finding this boss, neglecting all other responsibilities, like your job, school, even hygiene. That's pretty gross, but I get it. So y...
The Boot Process
In this lesson, we're going to learn how our operating system starts up. As an IT support specialist, you'll probably work on lots of computers that won't start. It's important to know the steps and operating system takes, so yo...
Boot Methods
While the most common way to boot a computer is to simply push the power button and allow the normal process to run, there are many other boot options. This reading covers the various methods you can use to boot a computer. Internal method You can create p...
Boot Methods Best Practices
The most common way to boot a computer is to simply push the power button and allow the normal startup process to run. But what happens if the normal startup process becomes corrupted and the computer will not boot? Or maybe you would like to run a computer on...
Mobile Operating Systems
Some mobile devices are general-purpose computing devices like tablets or smartphones. Other mobile devices like fitness monitors, e-readers, and smartwatches, are designed to do a smaller set of tasks. General-purpose mobile devices generally use a mobile ope...
Cindy: Drive and career path
I'd say when I first started I thought there were two jobs you could do, you could be a sys admin or you could be IT support. But that's completely false. There's like a huge amount of opportunity in IT. You could be specialized in networks. You could be speci...
Choosing an Operating System
In the last lesson, you learned how an operating system boots up. It's an important concept to understand since you'll be faced with troubleshooting boot up issues in IT support. Now, we're going to walk through the steps to select and install an operating sys...
Which Operating System Should You Choose for Your Next PC?
Supplemental Reading for Choosing an OS To find out more about which operating system is best for you and your organization, check out the link here.tl;drwindows 10 > win 11 as of 2023do u need ai in your os? use windows 11r u cool?use vanilla os (a linux dis...